news and worl eport hosts a forum on the healthcare law. senate majority leader will take part along with the heads of the cleveland clinic and the texas medical center. we'll have live sporge on c-span 3. >> author on america's call for scientists and engineers. >> as nasa's future goes, so to does that of america. and if nasa is healthy, then you don't need a program to convince people that science and engineering is good to do because they'll see it large on the paper. there will be calls for engineers to help us go eyes fishing where there is an ocean of liquid for billions of years. we're going to dig through the soils and look for life. look at the nasa portfolio today. it's got biology, chemistry, physics, aerospace engineers, electrical engineers, all the stem fields. science technology, engineering and math represented in the nasaport. a healthy nasa pump that is. it's a fly wheel that society taps for invasions. >> over the past 15 years book tv aired over 40,000 programs about non-fiction books and thors. ? what's the most import